why not get legal advice before ya speak to her, nice letter off ya soliciter, im sure shes not totally stupid
oh and if shes the manager is there a higher boss to speak to or not
otherwise time to skim the tills on her lunch break
if shes like that though in 6 months time ya gonna hate the job as all ya mates are gonna leave and then she will replace with staff she likes ect
i say get legal action as she fooking needs it !